/* =========================================================
   英語のものさし  style.css
   明るく前向きに学べる配色：陽だまりの黄・若葉の緑・空色・コーラル
   ========================================================= */
:root{
  --bg:#FFFCF4;
  --card:#FFFFFF;
  --ink:#222B45;
  --sub:#56617D;
  --line:#EDE6D6;
  --line2:#E3EAF5;

  --sun:#FFC83D;  --sun-d:#B98100; --sun-s:#FFF3CC;
  --leaf:#1FAF78; --leaf-d:#0F7D55; --leaf-s:#DDF6EA;
  --sky:#3B9EFF;  --sky-d:#1B6FC7; --sky-s:#E2F0FF;
  --coral:#FF7A59;--coral-d:#D2512F;--coral-s:#FFE6DD;
  --grape:#8A6CF0;--grape-d:#5E43C4;--grape-s:#EEE9FF;
  --rose:#F0609A; --rose-s:#FFE3EE;
  --teal:#16A9B5; --teal-s:#DDF5F7;

  --r:18px;
  --shadow:0 1px 2px rgba(34,43,69,.05),0 8px 24px rgba(34,43,69,.07);
  --shadow-l:0 4px 10px rgba(34,43,69,.08),0 18px 40px rgba(34,43,69,.13);
  --ui:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans","Yu Gothic",sans-serif;
  --en:"Literata",Georgia,"Times New Roman",serif;
  --num:"Nunito","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);font-weight:500;font-size:16px;line-height:1.8;
  background-image:radial-gradient(circle at 8% 0%,rgba(255,200,61,.16) 0,transparent 36%),radial-gradient(circle at 96% 12%,rgba(59,158,255,.10) 0,transparent 32%);background-attachment:fixed}
a{color:var(--sky-d)}
button{font-family:inherit}
h1,h2,h3{font-weight:900;line-height:1.45;letter-spacing:.02em}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99;border-radius:0 0 10px 0}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px 60px;min-height:70vh}
.muted{color:var(--sub)}
.small{font-size:.84rem}
.center{text-align:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}

/* ---------- ヘッダー ---------- */
.top{position:sticky;top:0;z-index:30;background:rgba(255,252,244,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{max-width:1120px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo-mark{position:relative;width:40px;height:40px;border-radius:12px;background:var(--sun);display:grid;place-items:center;font-family:var(--num);font-weight:800;font-size:20px;color:var(--ink);box-shadow:0 4px 0 var(--sun-d)}
.logo-mark span{position:absolute;right:-6px;bottom:-6px;width:22px;height:22px;border-radius:50%;background:var(--sky);color:#fff;font-size:12px;display:grid;place-items:center;font-family:var(--ui);border:2px solid var(--bg)}
.logo-t{font-size:18px;font-weight:700;letter-spacing:.06em}
.logo-t b{color:var(--sun-d);font-weight:900}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{display:inline-flex;align-items:center;gap:5px;padding:7px 12px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:14px;font-weight:700;transition:background .2s}
.nav a:hover{background:var(--sun-s)}
.nav a.on{background:var(--ink);color:#fff}
/* ヘッダー下の近道（試験別の勉強法・単語一覧）。追従させず、ページと一緒に流れる */
.gbar{border-bottom:1px solid var(--line);background:rgba(255,243,204,.5)}
.gbar-in{max-width:1120px;margin:0 auto;padding:7px 18px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px}
.gbar-l{font-size:12px;font-weight:800;color:var(--sub);margin-right:2px;white-space:nowrap}
.gbar a{padding:3px 11px;border-radius:999px;text-decoration:none;color:var(--ink);font-weight:700;background:#fff;border:1px solid var(--line);white-space:nowrap;transition:background .2s,border-color .2s}
.gbar a:hover{background:var(--sun-s);border-color:var(--sun)}
.gbar a.on{background:var(--ink);border-color:var(--ink);color:#fff}
.gbar-sep{flex:none;width:1px;height:16px;background:var(--line);margin:0 6px}
.badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--coral);color:#fff;font-family:var(--num);font-size:12px;font-weight:800;line-height:1}
.badge[hidden]{display:none}
.set-btn{font-size:18px}

/* ---------- ボタン類 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;border:none;font-size:15.5px;font-weight:900;letter-spacing:.04em;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,filter .15s;color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn-sun{background:var(--sun);box-shadow:0 5px 0 var(--sun-d)}
.btn-sky{background:var(--sky);color:#fff;box-shadow:0 5px 0 var(--sky-d)}
.btn-leaf{background:var(--leaf);color:#fff;box-shadow:0 5px 0 var(--leaf-d)}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 5px 0 var(--coral-d)}
.btn-grape{background:var(--grape);color:#fff;box-shadow:0 5px 0 var(--grape-d)}
.btn-line{background:#fff;border:2px solid var(--line);color:var(--sub)}
.btn-sm{padding:8px 16px;font-size:13.5px;box-shadow:none}
.btn-sm.btn-sun{box-shadow:0 3px 0 var(--sun-d)}
.btn-sm.btn-sky{box-shadow:0 3px 0 var(--sky-d)}
.btn-wide{width:100%;margin-top:18px}
.ib{display:inline-flex;align-items:center;gap:2px;border:1.5px solid var(--line2);background:#fff;border-radius:10px;padding:4px 8px;cursor:pointer;font-size:15px;line-height:1.2;color:var(--ink);transition:background .15s,border-color .15s}
.ib:hover{background:var(--sky-s);border-color:var(--sky)}
.ib small{font-size:10.5px;font-weight:700;color:var(--sub)}
.ib.sm{padding:2px 6px;font-size:13px}
.ib.on{background:var(--sun-s);border-color:var(--sun);color:var(--sun-d)}
.ib.busy{opacity:.55;pointer-events:none}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta.center{justify-content:center}

/* ---------- ピル ---------- */
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.03em;white-space:nowrap;vertical-align:middle}
.pill-sky{background:var(--sky-s);color:var(--sky-d)}
.pill-grape{background:var(--grape-s);color:var(--grape-d)}
.pill-sun{background:var(--sun-s);color:#8A6000}
.pill-leaf{background:var(--leaf-s);color:var(--leaf-d)}
.pill-coral{background:var(--coral-s);color:var(--coral-d)}
.pill-rose{background:var(--rose-s);color:#B8306A}
.pill-teal{background:var(--teal-s);color:#0C7C86}
.pill-line{background:#fff;border:1px solid var(--line);color:var(--sub)}
.pill-lvB{background:var(--leaf);color:#fff}
.pill-lvA{background:linear-gradient(90deg,var(--coral),var(--rose));color:#fff}

/* ---------- ホバー可能な単語 ---------- */
.w{cursor:pointer;border-radius:4px;transition:background .12s;padding:0 1px;margin:0 -1px}
.w:hover,.w.act{background:var(--sun-s);box-shadow:0 2px 0 var(--sun)}
.w.nf{cursor:text}
.w.nf:hover{background:none;box-shadow:none}
.w.warn{text-decoration:underline dotted var(--grape);text-decoration-thickness:2px;text-underline-offset:4px}
.idm{background-image:linear-gradient(transparent 88%,rgba(138,108,240,.28) 88%);border-radius:2px}
.lvA{font-weight:600}
.blank{display:inline-block;min-width:5.5em;border-bottom:3px solid var(--sky);margin:0 2px;text-align:center;line-height:1.3}
.blank.filled{font-weight:700;padding:0 6px;border-radius:6px 6px 0 0}
.blank.filled.ok{background:var(--leaf-s);border-color:var(--leaf);color:var(--leaf-d)}
.blank.filled.ng{background:var(--coral-s);border-color:var(--coral);color:var(--coral-d)}

/* ---------- ポップオーバー ---------- */
.pop{position:absolute;z-index:60;background:#fff;border:1.5px solid var(--line2);border-radius:16px;box-shadow:var(--shadow-l);padding:14px 16px 12px;font-size:14px;line-height:1.65;animation:popin .14s ease-out}
.pop[hidden]{display:none}
@keyframes popin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.pop-x{position:absolute;right:6px;top:4px;border:none;background:none;font-size:18px;color:var(--sub);cursor:pointer;padding:2px 6px;line-height:1}
.pop-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding-right:18px}
.pop-w{font-family:var(--en);font-size:21px;font-weight:600;line-height:1.3}
.pop-w .pill{font-family:var(--ui);font-size:10.5px;vertical-align:3px}
.pop-form{font-size:12px;color:var(--sub)}
.pop-btns{display:flex;gap:4px;flex-shrink:0}
.pop-ipa{margin:6px 0 4px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.ipa{font-family:"Lucida Sans Unicode","Arial Unicode MS","Segoe UI","Noto Sans",sans-serif;font-size:15px;color:var(--sky-d);font-weight:600;letter-spacing:.02em}
.src{font-size:11px;font-weight:700;padding:1px 8px;border-radius:999px}
.src-rec{background:var(--leaf-s);color:var(--leaf-d)}
.src-tts{background:var(--sun-s);color:#8A6000}
.pop-ja{font-size:14.5px}
.pos{display:inline-block;min-width:1.6em;margin-right:6px;padding:0 5px;border-radius:5px;background:var(--ink);color:#fff;font-size:11px;text-align:center;vertical-align:1px}
.pop-idm{background:var(--grape-s);border-radius:12px;padding:8px 10px;margin:0 22px 10px 0}
.pop-idm .pop-ja{margin-top:2px}
.pop-none{color:var(--sub)}
.alert{margin-top:10px;border-radius:12px;padding:8px 12px;font-size:13px;line-height:1.6}
.alert b{display:block;font-size:12px;letter-spacing:.06em;margin-bottom:2px}
.alert small{display:block;margin-top:4px;color:var(--sub);font-size:12px}
.alert-sun{background:var(--sun-s)}
.alert-sun b{color:#8A6000}
.alert-coral{background:var(--coral-s)}
.alert-coral b{color:var(--coral-d)}
.alert-grape{background:var(--grape-s)}
.alert-grape b{color:var(--grape-d)}
.cmp{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;align-items:baseline;margin:4px 0}
.cmp-w{font-family:var(--en);font-size:16px;font-weight:600}
.cmp-w.me{text-decoration:underline;text-underline-offset:3px}
.cmp-m{font-size:13px}
mark,.cmp-w mark,.cg-w mark{background:var(--coral);color:#fff;border-radius:3px;padding:0 1px}
.demo-mark{background:var(--coral);color:#fff;padding:0 4px}
.nm{margin-top:2px}

/* ---------- ホーム ---------- */
.hero{padding:56px 0 34px}
.hero-in{max-width:820px}
.eyebrow{font-family:var(--num);font-weight:800;letter-spacing:.24em;text-transform:uppercase;font-size:12px;color:var(--sun-d);margin:0 0 12px}
.hero h1{font-size:clamp(28px,5vw,46px);margin:0 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 60%,var(--sun) 60%,var(--sun) 92%,transparent 92%)}
.lead{font-size:16.5px;max-width:40em;margin:0 0 24px}
.demo{padding:18px 22px;max-width:760px}
.demo-lab{margin:0 0 6px;font-size:12.5px;font-weight:700;color:var(--sky-d)}
.demo-en{font-family:var(--en);font-size:20px;line-height:1.75;margin:0 0 8px}
.demo-hint{margin:0;font-size:13px;color:var(--sub)}
.demo-key{cursor:default}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:10px 0 34px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:flex;flex-direction:column;box-shadow:var(--shadow);text-decoration:none;color:var(--ink)}
.stat-n{font-family:var(--num);font-weight:800;font-size:32px;line-height:1.1;color:var(--ink)}
.stat-n small{font-size:16px}
.stat-l{font-size:12.5px;color:var(--sub);font-weight:700}
.stat-link{background:var(--sun-s);border-color:var(--sun)}
.modes{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:46px}
.mode{padding:22px 20px;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}
.mode:hover{transform:translateY(-4px);box-shadow:var(--shadow-l)}
.mode::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--sun-s);z-index:0}
.mode:nth-child(2)::after{background:var(--sky-s)}
.mode:nth-child(3)::after{background:var(--grape-s)}
.mode:nth-child(4)::after{background:var(--leaf-s)}
.mode>*{position:relative;z-index:1}
.mode-ic{font-size:28px}
.mode h2{font-size:19px;margin:8px 0 6px}
.mode p{font-size:14px;margin:0;color:var(--sub)}
.sec-title{font-size:22px;margin:0 0 16px}
.sec-title.sm{font-size:17px;margin-bottom:10px}
.features{margin-bottom:40px}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feat{padding:18px}
.feat h3{font-size:16px;margin:0 0 6px}
.feat p{font-size:13.8px;margin:0;color:var(--sub)}
.feat strong{color:var(--ink)}
.levels{padding:24px 26px}
.levels p{margin:0 0 12px}
.lvbar{display:flex;height:34px;border-radius:999px;overflow:hidden;margin:6px 0 12px;font-family:var(--num);font-weight:800;font-size:13px;color:#fff}
.lvbar span{display:flex;align-items:center;padding:0 14px;white-space:nowrap}
.lvbar-b{background:var(--leaf)}
.lvbar-a{background:linear-gradient(90deg,var(--coral),var(--rose));justify-content:center}
.topic-chips{display:flex;flex-wrap:wrap;gap:6px 4px;align-items:center;margin-top:10px}
.topic-chips small{font-family:var(--num);color:var(--sub);margin-right:8px}

/* ---------- ページ見出し ---------- */
.page-head{padding:34px 0 18px;max-width:780px}
.page-head h1{font-size:30px;margin:0 0 8px}
.page-head p{margin:0 0 14px;color:var(--sub)}

/* ---------- 出題設定 ---------- */
.setup{padding:22px 24px;max-width:780px}
fieldset{border:none;margin:0 0 16px;padding:0}
legend{font-weight:900;font-size:14px;margin-bottom:8px}
.chip{display:inline-block;margin:0 6px 8px 0;cursor:pointer}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;padding:7px 15px;border-radius:999px;border:2px solid var(--line);background:#fff;font-size:14px;font-weight:700;transition:all .15s}
.chip span small{font-family:var(--num);color:var(--sub);margin-left:2px}
.chip input:checked+span{background:var(--sun-s);border-color:var(--sun);color:#6A4A00}
.chip input:focus-visible+span{outline:3px solid var(--sky);outline-offset:2px}
.check{display:flex;align-items:center;gap:8px;font-size:14px;margin:4px 0 6px;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--sun-d)}

/* ---------- 問題 ---------- */
.qwrap{max-width:780px;margin:0 auto;padding-top:26px}
.qtop{margin-bottom:14px}
.prog{height:10px;border-radius:999px;background:#F1EBDC;overflow:hidden;margin-bottom:10px}
.prog span{display:block;height:100%;background:linear-gradient(90deg,var(--sun),var(--leaf));border-radius:999px;transition:width .4s}
.prog.grape span{background:linear-gradient(90deg,var(--grape),var(--sky))}
.qmeta{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.qnum{font-family:var(--num);font-weight:800;margin-right:4px}
.qcard{padding:26px 26px 22px}
.qtext{font-family:var(--en);font-size:20px;line-height:1.85;margin:0 0 20px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{display:flex;align-items:center;gap:10px;text-align:left;padding:12px 14px;border-radius:14px;border:2px solid var(--line2);background:#fff;cursor:pointer;font-size:16px;color:var(--ink);transition:all .15s}
.opt:hover:not(:disabled){border-color:var(--sky);background:var(--sky-s);transform:translateY(-1px)}
.opt:disabled{cursor:default}
.opt-k{flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--line2);display:grid;place-items:center;font-family:var(--num);font-weight:800;font-size:13px}
.opt-t{font-family:var(--en);font-size:17px;font-weight:500}
.opt.ok{border-color:var(--leaf);background:var(--leaf-s)}
.opt.ok .opt-k{background:var(--leaf);color:#fff}
.opt.ng{border-color:var(--coral);background:var(--coral-s)}
.opt.ng .opt-k{background:var(--coral);color:#fff}
.opt:disabled:not(.ok):not(.ng){opacity:.6}
.fb{margin:20px 0 10px;padding:10px 16px;border-radius:14px;font-size:15.5px}
.fb-ok{background:var(--leaf-s);color:var(--leaf-d)}
.fb-ng{background:var(--sun-s);color:#7A5200}
.exp{font-size:15px}
.exp-en{font-family:var(--en);font-size:17.5px;line-height:1.8;margin:6px 0}
.exp-ja{margin:0 0 10px;color:var(--sub);font-size:14.5px}
.exp-body{margin:0 0 12px;white-space:pre-line}
.otable{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0}
.otable td{padding:8px 8px;border-top:1px solid var(--line2);vertical-align:top}
.otable tr.is-ok td{background:var(--leaf-s)}
.o-w{font-family:var(--en);font-weight:600;font-size:15.5px;white-space:nowrap}
.o-note{font-size:12.8px;color:var(--sub);margin-top:2px}
.o-a{width:40px;text-align:right}
.kbd{text-align:center;margin-top:12px}

/* ---------- 結果 ---------- */
.result{max-width:640px;margin:34px auto 20px;padding:30px;text-align:center}
.ring{--p:0;width:170px;height:170px;border-radius:50%;margin:10px auto 16px;display:grid;place-items:center;
  background:conic-gradient(var(--leaf) calc(var(--p)*1%),#F1EBDC 0)}
.ring.grape{background:conic-gradient(var(--grape) calc(var(--p)*1%),#F1EBDC 0)}
.ring span{width:130px;height:130px;border-radius:50%;background:#fff;display:grid;place-items:center;font-family:var(--num);font-weight:800;font-size:42px}
.ring small{font-size:18px;color:var(--sub)}
.result-msg{font-size:16px;font-weight:700}
.review{max-width:780px;margin:0 auto;display:grid;gap:10px}
.rv{padding:0 16px}
.rv summary{cursor:pointer;padding:12px 0;font-size:14.5px;font-family:var(--en)}
.rv-m{font-family:var(--ui);font-weight:900;margin-right:6px}
.rv-ok .rv-m{color:var(--leaf)}
.rv-ng .rv-m{color:var(--coral)}
.rv-b{padding:0 0 14px;font-size:14.5px}
.rv-b p:first-child{font-family:var(--en);font-size:16.5px}

/* ---------- 長文一覧 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip-btn{padding:7px 15px;border-radius:999px;border:2px solid var(--line);background:#fff;font-size:14px;font-weight:700;cursor:pointer;color:var(--ink)}
.chip-btn small{font-family:var(--num);color:var(--sub)}
.chip-btn.on{background:var(--ink);border-color:var(--ink);color:#fff}
.chip-btn.on small{color:#cfd6e6}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.pcard{padding:18px 20px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.pcard-top{display:flex;flex-wrap:wrap;gap:6px}
.pcard h2{font-family:var(--en);font-weight:600;font-size:19px;margin:10px 0 2px;letter-spacing:0}
.pcard-ja{font-size:13.5px;color:var(--sub);margin:0 0 10px}
.pcard-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--sub);font-family:var(--num);font-weight:700}
.pcard-meta .done{color:var(--leaf-d)}
.note{margin-top:22px}

/* ---------- 長文本体 ---------- */
.passage{padding-top:20px}
.back{display:inline-block;margin-bottom:10px;font-weight:700;text-decoration:none}
.p-head h1{font-family:var(--en);font-weight:600;font-size:clamp(24px,3.6vw,34px);margin:8px 0 2px;letter-spacing:0}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;margin:14px 0 6px;position:sticky;top:64px;z-index:10}
.timer{display:flex;align-items:center;gap:10px;font-family:var(--num);font-weight:800;font-size:18px}
.wpm{background:var(--leaf-s);color:var(--leaf-d);padding:2px 12px;border-radius:999px;font-size:14px}
.wpm b{font-size:18px}
.wpm-note{margin:4px 0 10px}
.switch{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--sky)}
.p-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:26px;align-items:start;margin-top:12px}
.p-body{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px 26px 16px;box-shadow:var(--shadow)}
.para{position:relative;padding:12px 0 6px 0;border-bottom:1px dashed var(--line)}
.para:last-child{border-bottom:none}
.para p[lang=en]{font-family:var(--en);font-size:18px;line-height:1.95;margin:0}
.para-say{position:absolute;left:-38px;top:16px}
.para-ja{margin:8px 0 4px;padding:10px 14px;background:var(--sky-s);border-radius:12px;font-size:14.5px;line-height:1.85}
.p-qs{position:sticky;top:130px;max-height:calc(100vh - 150px);overflow:auto;padding:2px 4px 20px}
.rq{padding:16px 16px 12px;margin-bottom:12px}
.rq-q{font-family:var(--en);font-size:16.5px;line-height:1.7;margin:0 0 10px}
.rq-n{display:inline-block;font-family:var(--num);font-weight:800;font-size:12.5px;padding:0 8px;border-radius:6px;margin-right:4px}
.rq .opts{grid-template-columns:1fr}
.rq .opt{padding:9px 12px}
.rq .opt-t{font-size:15px;line-height:1.55}
.rq-ok{border-color:var(--leaf)}
.rq-ng{border-color:var(--sun)}
.p-done{padding:16px 18px;background:var(--sun-s);border-color:var(--sun)}
.p-done p{margin:6px 0 12px;font-size:14px}
.evi{border-radius:4px;padding:1px 0}
.evi1{background:rgba(255,200,61,.45)}
.evi2{background:rgba(59,158,255,.25)}
.evi3{background:rgba(31,175,120,.25)}
.evi4{background:rgba(255,122,89,.28)}

/* ---------- 再生中のボタン ---------- */
.ib.playing{background:var(--leaf-s);border-color:var(--leaf);animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 4px rgba(31,175,120,.18)}}

/* ---------- 文法 ---------- */
.gnote{padding:16px 20px;margin:4px 0 22px;max-width:860px;background:var(--sky-s);border-color:#CFE3FA}
.gnote p{margin:6px 0 0;font-size:14.5px}
.gcat{margin:22px 0 10px}
.glist{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}
.gcard{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:12px;padding:12px 16px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.gcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-l)}
.gno{grid-row:1/3;align-self:center;width:36px;height:36px;border-radius:10px;background:var(--sun-s);display:grid;place-items:center;font-family:var(--num);font-weight:800;color:var(--sun-d)}
.gt{font-weight:900;font-size:15.5px;line-height:1.45}
.gm{display:flex;gap:6px;align-items:center;margin-top:2px}
.gsc{font-family:var(--num);font-weight:800;font-size:12.5px;color:var(--sub)}
.gsc.full{color:var(--leaf-d)}
.gunit{max-width:860px;margin:0 auto;padding-top:20px}
.gh1{font-size:clamp(24px,3.6vw,32px);margin:8px 0 6px}
.glead{margin:0 0 18px;color:var(--sub);font-size:15.5px}
.gsec{padding:18px 22px;margin-bottom:14px}
.gsec h2{font-size:18px;margin:0 0 8px}
.gtext{margin:0 0 10px;font-size:15px;line-height:1.95}
.gtext b{background:linear-gradient(transparent 62%,var(--sun-s) 62%)}
.gex{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.gex li{background:#FBFAF6;border:1px solid var(--line);border-radius:12px;padding:8px 12px}
.gex-en{font-family:var(--en);font-size:17px;line-height:1.7}
.gex-ja{font-size:13.5px;color:var(--sub);padding-left:34px}
.gex-note{display:inline-block;margin-left:8px;padding:0 8px;border-radius:999px;background:var(--grape-s);color:var(--grape-d);font-size:12px;font-weight:700}
.gtrap{background:var(--coral-s);border-color:#F8CFC2}
.gtrap ul{margin:0;padding-left:1.2em}
.gtrap li{margin:4px 0;font-size:14.5px}
.gtoeic{background:var(--sun-s);border-color:#F4DF9C}
.gtoeic p{margin:0;font-size:14.5px}
.gqs .rq .opts{grid-template-columns:1fr 1fr}
.gnav{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:22px 0 10px}
@media (max-width:720px){.gqs .rq .opts{grid-template-columns:1fr}.gex-ja{padding-left:0}.gsec{padding:14px 16px}}

/* ---------- 紛らわしい語 ---------- */
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.cg{padding:16px 18px}
.cg-row{display:grid;grid-template-columns:auto auto 1fr;align-items:center;gap:8px;margin-bottom:4px}
.cg-w{font-family:var(--en);font-size:19px;font-weight:600}
.cg-m{font-size:13.5px}
.cg-tip{margin:8px 0 0;padding-top:8px;border-top:1px dashed var(--line);font-size:13px;color:var(--sub)}
.cg-link{cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s}
.cg-link:hover{transform:translateY(-2px);border-color:var(--grape);box-shadow:0 10px 26px rgba(94,67,196,.14)}
.cg-more{display:inline-block;margin-top:10px;font-size:13.5px;font-weight:700;color:var(--grape-d);text-decoration:none}
.cg-more:hover{text-decoration:underline}
.alert .cg-more{display:block;margin-top:8px}

/* ---------- 単語帳 ---------- */
.wlist{display:grid;gap:8px;max-width:860px}
.wrow{display:grid;grid-template-columns:auto auto 1fr auto auto auto;align-items:center;gap:10px;padding:10px 14px}
.wrow .w{font-family:var(--en);font-size:17px;font-weight:600}
.wrow-ja{font-size:14px}
.wrow-box{color:var(--sun-d);letter-spacing:1px;font-size:12px}
.empty{padding:26px;text-align:center;max-width:620px}
.flash{padding:30px 28px;text-align:center}
.flash-w{font-family:var(--en);font-size:38px;font-weight:600;line-height:1.3;margin-bottom:10px;display:flex;justify-content:center;align-items:center;gap:12px}
.flash-ctx{font-family:var(--en);font-size:16.5px;color:var(--sub);margin:0 0 14px}
.flash-ja{font-size:19px;font-weight:700;margin:8px 0}
.flash-back{margin:10px 0 18px}
.grade{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- 記録 ---------- */
.st-card{padding:18px 22px;margin-bottom:14px;max-width:860px}
.heat{display:grid;grid-template-columns:repeat(14,1fr);gap:5px;max-width:520px}
.hc{aspect-ratio:1;border-radius:6px;background:#F1EBDC}
.hc.h1{background:#FFE69A}.hc.h2{background:var(--sun)}.hc.h3{background:var(--leaf)}
.bar-row{display:grid;grid-template-columns:11em 1fr 7em;gap:10px;align-items:center;margin:6px 0;font-size:14px}
.bar{height:12px;background:#F1EBDC;border-radius:999px;overflow:hidden}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--sun),var(--leaf));border-radius:999px}
.bar-v{font-family:var(--num);font-weight:800}
.bar-v small{font-weight:700;color:var(--sub);font-size:11.5px}
.rtable{width:100%;border-collapse:collapse;font-size:14px}
.rtable td{padding:6px 4px;border-top:1px solid var(--line2)}

/* ---------- 設定ダイアログ ---------- */
.dlg{border:none;border-radius:22px;padding:24px 26px;max-width:560px;width:calc(100% - 24px);box-shadow:var(--shadow-l);color:var(--ink);font-family:var(--ui)}
.dlg::backdrop{background:rgba(34,43,69,.35)}
.dlg h2{margin:0 0 14px;font-size:20px}
.voice-info{background:var(--sky-s);border-radius:12px;padding:10px 14px;font-size:13.5px;margin:6px 0 10px}
.voice-info p{margin:6px 0 0}
.dlg-note{font-size:12.8px;color:var(--sub);margin-top:14px;line-height:1.7}
.dlg-note p{margin:0 0 8px}

/* ---------- トースト ---------- */
#toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,30px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:700;opacity:0;pointer-events:none;transition:all .25s;z-index:80;max-width:calc(100% - 32px)}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- フッター ---------- */
.foot{border-top:1px solid var(--line);background:#FFF8E6;margin-top:30px}
.foot-in{max-width:1120px;margin:0 auto;padding:26px 18px 36px;font-size:12.8px;color:var(--sub)}
.foot-in p{margin:0 0 8px;max-width:60em}
.foot-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:10px}
.foot-links a{color:var(--sub);font-weight:700;text-decoration:none}

/* ---------- レスポンシブ ---------- */
@media (max-width:1000px){
  .modes,.feat-grid{grid-template-columns:repeat(2,1fr)}
  .p-grid{grid-template-columns:1fr}
  .p-qs{position:static;max-height:none;overflow:visible}
}
@media (max-width:720px){
  .top-in{flex-wrap:wrap;gap:8px;padding:8px 14px}
  .nav{order:3;width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .nav a{font-size:13px;padding:6px 10px;white-space:nowrap}
  .gbar-in{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding:6px 14px}
  .gbar-in::-webkit-scrollbar{display:none}
  .gbar-in{-webkit-mask-image:linear-gradient(90deg,#000 86%,transparent);mask-image:linear-gradient(90deg,#000 86%,transparent);padding-right:40px}
  .set-btn{margin-left:auto}
  .wrap{padding:0 14px 50px}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .modes,.feat-grid{grid-template-columns:1fr}
  .hero{padding:32px 0 20px}
  .demo-en{font-size:18px}
  .qcard{padding:20px 16px}
  .qtext{font-size:18px}
  .opts{grid-template-columns:1fr}
  .p-body{padding:8px 16px 12px}
  .para p[lang=en]{font-size:17px}
  .para-say{position:static;float:right;margin:4px 0 4px 8px}
  .toolbar{top:96px}
  .wrow{grid-template-columns:auto auto 1fr auto;row-gap:2px}
  .wrow-ja{grid-column:1/-1;order:5}
  .bar-row{grid-template-columns:8em 1fr 5.5em;font-size:13px}
  .page-head h1{font-size:25px}
  .flash-w{font-size:30px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- 試験対策 ---------- */
.shk-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;max-width:980px}
.shk-card{padding:20px 22px;display:flex;flex-direction:column}
.shk-card h2{font-size:20px;margin:8px 0 6px}
.shk-card p{margin:0 0 8px;font-size:14.5px}
.shk-best{color:var(--leaf-d)}
.shk-actions{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding-top:8px}
.shk{max-width:900px;margin:0 auto;padding-top:20px}
.shk-bar{position:sticky;top:64px;z-index:10}
.timer.over{color:var(--coral-d)}
.shk-sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:5px;padding:12px;margin:10px 0 16px}
.sh-cell{display:grid;place-items:center;height:30px;border-radius:8px;background:#F1EBDC;font-family:var(--num);font-weight:800;font-size:12.5px;color:var(--sub);text-decoration:none}
.sh-cell.on{background:var(--sky-s);color:var(--sky-d)}
.sh-cell.ok{background:var(--leaf-s);color:var(--leaf-d)}
.sh-cell.ng{background:var(--coral-s);color:var(--coral-d)}
.shk-part{padding:20px 22px;margin-bottom:18px}
.shk-no{font-size:20px;margin:0 0 6px}
.shk-lead{font-family:var(--en);font-size:16px;margin:0 0 2px}
.shk-leadja{font-size:13px;color:var(--sub);margin:0 0 12px}
.shk-doc{background:#FBFAF6;border:1.5px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:12px}
.shk-notice,.shk-web{border-color:#F4DF9C}
.shk-email{border-left:5px solid var(--sky)}
.shk-notes,.shk-slide{background:#fff;border-style:dashed}
.shk-doc-t{font-family:var(--en);font-size:17.5px;margin:0 0 6px}
.shk-para{position:relative;padding-left:0}
.shk-para p[lang=en]{font-family:var(--en);font-size:16.5px;line-height:1.85;margin:0 0 8px}
.shk-say{float:right;margin:2px 0 4px 8px}
.shk-blank{display:inline-block;min-width:3.2em;padding:0 6px;border-bottom:2.5px solid var(--sky);font-weight:700;text-align:center;font-family:var(--num)}
.shk-q{padding:14px 16px 10px;margin:10px 0}
.shk-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.shk-opts .opt{padding:9px 12px}
.shk-opts .opt-t{font-size:15px;line-height:1.5}
.opt.sel{border-color:var(--sky);background:var(--sky-s)}
.opt.sel .opt-k{background:var(--sky);color:#fff}
.shk-chart{margin:6px 0 10px;background:#fff;border-radius:12px;padding:10px 12px}
.shk-chart figcaption{font-size:13px;font-weight:700;color:var(--sub);margin-bottom:4px}
.shk-tw{overflow-x:auto}
.shk-table{width:100%;border-collapse:collapse;font-size:14.5px;margin:6px 0 10px;background:#fff}
.shk-table th,.shk-table td{border:1px solid var(--line2);padding:6px 8px;text-align:left;vertical-align:top}
.shk-table th{background:var(--sun-s)}
/* 購入 */
.shk-buy{background:var(--sun-s);border:1.5px solid #F4DF9C;border-radius:14px;padding:12px 16px;margin:6px 0 4px}
.shk-buy p{margin:0 0 6px}
.shk-buy ul{margin:0 0 4px;padding-left:1.2em;font-size:13.5px;line-height:1.7}
.shk-buy li{margin:3px 0}
.shk-notice-box{padding:14px 18px;margin:0 0 16px;max-width:980px}
.shk-notice-box p{margin:0 0 6px}
.shk-notice-box.is-busy{border-color:var(--sky);background:var(--sky-s)}
.shk-notice-box.is-ng{border-color:var(--coral);background:var(--coral-s)}
.shk-order{font-family:var(--num);font-size:12px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;word-break:break-all;user-select:all;-webkit-user-select:all}
.shk-orderline{margin:6px 0 0;line-height:1.9}
.shk-restore{padding:12px 18px;margin:18px 0 0;max-width:980px}
.shk-restore summary{cursor:pointer;font-weight:700}
.shk-restore p{margin:8px 0}
.shk-restore-f{display:flex;gap:8px;flex-wrap:wrap}
.shk-restore-f input{flex:1 1 220px;min-width:0;font:inherit;font-family:var(--num);font-size:14px;padding:8px 12px;border:1.5px solid var(--line2);border-radius:10px}
.shk-restore-f input:focus{border-color:var(--sky);outline:none}
@media (max-width:720px){.shk-opts{grid-template-columns:1fr}.shk-part{padding:14px}.shk-doc{padding:12px}.shk-bar{top:96px}}